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Article: Semiblind channel estimation and equalization for MIMO space-time coded OFDM

TitleSemiblind channel estimation and equalization for MIMO space-time coded OFDM
Authors
KeywordsBlind
Channel estimation
Equalization
Multiple-input-multiple-output (MIMO)
Multiuser
Orthogonal frequency-division multiplexing (OFDM)
Semiblind
Space-time coding (STC)
Subspace
Issue Date2006
PublisherIEEE.
Citation
IEEE Transactions on Circuits and Systems I: Regular Papers, 2006, v. 53 n. 2, p. 463-473 How to Cite?
AbstractBased on the special features of space-time coding (STC) and orthogonal frequency-division multiplexing (OFDM), it is mathematically proved that all channel responses of a multiple-input-multiple-output STC-OFDM system can be identified blindly subject to two ambiguity matrices with a subspace-based method. A method is then presented to resolve the two ambiguity matrices by using few pilot symbols. With the estimated channels, a frequency domain approach is presented to recover the transmitted symbols. The presented semiblind algorithms are valid even if the channel transfer functions are not coprime and do not require precise channel order information (only an upper bound for the orders is required). © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/44759
ISSN
2006 Impact Factor: 1.139
2006 SCImago Journal Rankings: 1.111
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZeng, Yen_HK
dc.contributor.authorLam, WHen_HK
dc.contributor.authorNg, TSen_HK
dc.date.accessioned2007-10-30T06:09:36Z-
dc.date.available2007-10-30T06:09:36Z-
dc.date.issued2006en_HK
dc.identifier.citationIEEE Transactions on Circuits and Systems I: Regular Papers, 2006, v. 53 n. 2, p. 463-473en_HK
dc.identifier.issn1057-7122en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44759-
dc.description.abstractBased on the special features of space-time coding (STC) and orthogonal frequency-division multiplexing (OFDM), it is mathematically proved that all channel responses of a multiple-input-multiple-output STC-OFDM system can be identified blindly subject to two ambiguity matrices with a subspace-based method. A method is then presented to resolve the two ambiguity matrices by using few pilot symbols. With the estimated channels, a frequency domain approach is presented to recover the transmitted symbols. The presented semiblind algorithms are valid even if the channel transfer functions are not coprime and do not require precise channel order information (only an upper bound for the orders is required). © 2006 IEEE.en_HK
dc.format.extent568361 bytes-
dc.format.extent21012 bytes-
dc.format.extent3954 bytes-
dc.format.extent21377 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.format.mimetypetext/plain-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE Transactions on Circuits and Systems I: Regular Papersen_HK
dc.rights©2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectBlinden_HK
dc.subjectChannel estimationen_HK
dc.subjectEqualizationen_HK
dc.subjectMultiple-input-multiple-output (MIMO)en_HK
dc.subjectMultiuseren_HK
dc.subjectOrthogonal frequency-division multiplexing (OFDM)en_HK
dc.subjectSemiblinden_HK
dc.subjectSpace-time coding (STC)en_HK
dc.subjectSubspaceen_HK
dc.titleSemiblind channel estimation and equalization for MIMO space-time coded OFDMen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1549-8328&volume=53&issue=2&spage=463&epage=474&date=2006&atitle=Semiblind+channel+estimation+and+equalization+for+MIMO+space-time+coded+OFDMen_HK
dc.identifier.emailLam, WH:whlam@eee.hku.hken_HK
dc.identifier.emailNg, TS:tsng@eee.hku.hken_HK
dc.identifier.authorityLam, WH=rp00136en_HK
dc.identifier.authorityNg, TS=rp00159en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/TCSI.2005.856671en_HK
dc.identifier.scopuseid_2-s2.0-33947100912en_HK
dc.identifier.hkuros119756-
dc.identifier.hkuros106754-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33947100912&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume53en_HK
dc.identifier.issue2en_HK
dc.identifier.spage463en_HK
dc.identifier.epage473en_HK
dc.identifier.isiWOS:000235403400023-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZeng, Y=7402981440en_HK
dc.identifier.scopusauthoridLam, WH=7203021916en_HK
dc.identifier.scopusauthoridNg, TS=7402229975en_HK

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